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Category: Call stack

What is a Promise in Javascript? 
Category AsynchronousPosted on April 21, 2020July 8, 2020

What is a Promise in Javascript? 

Hi, ES5 natively supports 2 patterns for write Asynchronous code, that is, the event pattern and the callback pattern, but in ES6 we have a new pattern for write Asynchr…
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What is a Callback in Javascript?
Category AsynchronousPosted on April 15, 2020July 8, 2020

What is a Callback in Javascript?

Hi, by definition a Callback is a function that is to be executed after another function has finished executing, hence the name “call back” and callbacks are great way t…
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How javascript Event Loop works?
Category AsynchronousPosted on April 15, 2020July 8, 2020

How javascript Event Loop works?

Hi, the Javascript run-time environment is included in the browsers and they have extra things: the Javascript Engine, Web API, Callback Queue and Event loop. …
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Let’s talk about stack overflow in JS
Category AsynchronousPosted on April 15, 2020July 8, 2020

Let’s talk about stack overflow in JS

Hi, now we know about the call stack and memory heap, but sometime we will find the definition of stack overflow (not the web site), let me explain what cause the “stack…
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Understanding the JS memory heap and call stack
Category AsynchronousPosted on April 12, 2020July 8, 2020

Understanding the JS memory heap and call stack

Hi, One important thing that we need to learn about Javascript code is how Javascript code is executed. Every browser implement a Javascript engine and this engine re…
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React delete item and update the DOM
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